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- PDB-4ewe: Study on structure and function relationships in human Pirin with... -

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Basic information

Entry
Database: PDB / ID: 4ewe
TitleStudy on structure and function relationships in human Pirin with Manganese ion
ComponentsPirin
KeywordsSIGNALING PROTEIN / beta sandwich / cupin / metal binding protein / transcription cofactor activity / protein binding / nucleus
Function / homology
Function and homology information


Digestion / quercetin 2,3-dioxygenase / quercetin 2,3-dioxygenase activity / monocyte differentiation / digestion / transcription coregulator activity / transcription by RNA polymerase II / nuclear body / nucleoplasm / metal ion binding ...Digestion / quercetin 2,3-dioxygenase / quercetin 2,3-dioxygenase activity / monocyte differentiation / digestion / transcription coregulator activity / transcription by RNA polymerase II / nuclear body / nucleoplasm / metal ion binding / nucleus / cytoplasm / cytosol
Similarity search - Function
Pirin, C-terminal domain / Pirin C-terminal cupin domain / Pirin, N-terminal domain / Pirin / Pirin / RmlC-like cupin domain superfamily / Jelly Rolls / RmlC-like jelly roll fold / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.56 Å
AuthorsLiu, F. / Rehmani, I. / Fu, R. / Esaka, S. / Chen, L. / Serrano, V. / Liu, A.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2013
Title: Pirin is an iron-dependent redox regulator of NF-kappa B.
Authors: Liu, F. / Rehmani, I. / Esaki, S. / Fu, R. / Chen, L. / de Serrano, V. / Liu, A.
History
DepositionApr 26, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 29, 2013Provider: repository / Type: Initial release
Revision 1.1Sep 4, 2013Group: Database references
Revision 1.2Nov 15, 2017Group: Advisory / Refinement description / Category: pdbx_unobs_or_zero_occ_atoms / software / Item: _software.name
Revision 1.3Feb 28, 2024Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_atoms / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Pirin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)32,4636
Polymers32,1591
Non-polymers3035
Water5,368298
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)42.163, 67.034, 107.156
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Pirin / Probable quercetin 2 / 3-dioxygenase PIR / Probable quercetinase


Mass: 32159.393 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: human, PIR / Plasmid: PET 27A / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 (DH5 alpha) / References: UniProt: O00625, quercetin 2,3-dioxygenase
#2: Chemical ChemComp-MN / MANGANESE (II) ION


Mass: 54.938 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Mn
#3: Chemical
ChemComp-EDO / 1,2-ETHANEDIOL / ETHYLENE GLYCOL


Mass: 62.068 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C2H6O2
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 298 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.35 Å3/Da / Density % sol: 47.76 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: PEG 20000, 0.1M MES, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 22-ID / Wavelength: 0.8 Å
DetectorType: MARMOSAIC 300 mm CCD / Detector: CCD / Date: Jul 28, 2011
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.8 Å / Relative weight: 1
ReflectionResolution: 1.56→50 Å / Num. all: 44260 / Num. obs: 43419 / % possible obs: 98.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 6.9 % / Rmerge(I) obs: 0.077 / Net I/σ(I): 25.3
Reflection shellResolution: 1.56→1.59 Å / Redundancy: 6.4 % / % possible all: 97.5

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Processing

Software
NameVersionClassification
SERGUIdata collection
MOLREPphasing
REFMAC5.6.0117refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementResolution: 1.56→35.69 Å / Cor.coef. Fo:Fc: 0.97 / Cor.coef. Fo:Fc free: 0.96 / Occupancy max: 1 / Occupancy min: 0 / SU B: 1.266 / SU ML: 0.022 / Cross valid method: THROUGHOUT / ESU R: 0.017 / ESU R Free: 0.014 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.16742 1933 4.5 %RANDOM
Rwork0.13528 ---
obs0.13676 41428 98.05 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 16.625 Å2
Baniso -1Baniso -2Baniso -3
1--6.06 Å2-0 Å2-0 Å2
2--6.34 Å20 Å2
3----0.28 Å2
Refinement stepCycle: LAST / Resolution: 1.56→35.69 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2247 0 17 298 2562
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0260.0192323
X-RAY DIFFRACTIONr_bond_other_d0.0020.022201
X-RAY DIFFRACTIONr_angle_refined_deg2.2851.9683136
X-RAY DIFFRACTIONr_angle_other_deg2.18335095
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.9325290
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.1524.272103
X-RAY DIFFRACTIONr_dihedral_angle_3_deg12.90515394
X-RAY DIFFRACTIONr_dihedral_angle_4_deg24.9031513
X-RAY DIFFRACTIONr_chiral_restr0.210.2329
X-RAY DIFFRACTIONr_gen_planes_refined0.0130.0212628
X-RAY DIFFRACTIONr_gen_planes_other0.0140.02511
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it
X-RAY DIFFRACTIONr_scbond_it
X-RAY DIFFRACTIONr_scangle_it
X-RAY DIFFRACTIONr_rigid_bond_restr13.70134524
X-RAY DIFFRACTIONr_sphericity_free23.9215115
X-RAY DIFFRACTIONr_sphericity_bonded9.74254657
LS refinement shellResolution: 1.558→1.598 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.168 131 -
Rwork0.134 2924 -
obs--95.41 %

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